Try to do this..
Use this utility to uninstall your existing flash player <span id="INSERTION_MARKER">http://kb2.adobe.com/cps/141/tn_14157.html
Restart your pc, then install the latest version of flash player from http://get.adobe.com/flashplayer/
hi everyone, been having problems lately I have windows 7 on my desktop and I use internet explorer 11 and I also have google chrome both browsers youtube doesn't load. Whenever I enter the url I get a This page can't be displayed message funny thing is every other site works. I tried looking for answers online deleted cookies and history nothing. I have a laptop with windows 8 which youtube works fine. Any thoughts or suggestions?